/Engine/Source/Runtime/CoreUObject/Public/Misc/PackageName.h
Gets the resolved path of a long package as determined by the delegates registered with FCoreDelegates::PackageNameResolvers. This allows systems such as localization to redirect requests for a package to a more appropriate alternative, or to nix the request altogether.
Resolved package path, or the source package path if there is no resolution occurs.
static [FString](API\Runtime\Core\Containers\FString) GetDelegateResolvedPackagePath ( const [FString](API\Runtime\Core\Containers\FString) & InSourcePackagePath )